<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
	<title>数组对象</title>
	<script type="text/javascript">
	var arr = [34,34,34,2357,67,676];

	var arr1 = [45,415,457,67];

	var arr2 = arr.concat(arr1);

	document.write(arr2);

	// var a = arr.splice(2,0,45,454,78);

	// var a = arr.slice(2,4);

	// var a = arr.join('/******');



	// arr[6]=90;

	// var a = arr.push(56,789);

	// alert(arr);
	// alert(a);

	// arr.xbspush =  function  (x) {
	// 	arr[arr.length]=x;
	// }

	// var a = arr.unshift(999);

	// var a = arr.pop();

	// var a = arr.shift();

	// alert(arr);
	// alert(a);


	</script>
</head>
<body>
	
</body>
</html>